CA938715A - Long-wearing magnetic head - Google Patents
Long-wearing magnetic headInfo
- Publication number
- CA938715A CA938715A CA111599A CA111599A CA938715A CA 938715 A CA938715 A CA 938715A CA 111599 A CA111599 A CA 111599A CA 111599 A CA111599 A CA 111599A CA 938715 A CA938715 A CA 938715A
- Authority
- CA
- Canada
- Prior art keywords
- long
- magnetic head
- wearing magnetic
- wearing
- head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/255—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for protection against wear
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/1871—Shaping or contouring of the transducing or guiding surface
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US4700770A | 1970-06-17 | 1970-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA938715A true CA938715A (en) | 1973-12-18 |
Family
ID=21946547
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA111599A Expired CA938715A (en) | 1970-06-17 | 1971-04-28 | Long-wearing magnetic head |
Country Status (4)
Country | Link |
---|---|
US (1) | US3665436A (en) |
CA (1) | CA938715A (en) |
DE (1) | DE2129488A1 (en) |
GB (1) | GB1316199A (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1364863A (en) * | 1971-05-26 | 1974-08-29 | Int Computers Ltd | Magnetic heads |
US4023208A (en) * | 1975-05-08 | 1977-05-10 | Bell Telephone Laboratories, Incorporated | Protective coatings for a magnetic tape sensor |
US4130847A (en) * | 1977-03-31 | 1978-12-19 | International Business Machines Corporation | Corrosion resistant thin film head assembly and method for making |
AT365804B (en) * | 1977-12-20 | 1982-02-25 | Bogen Wolfgang | ABRASION RESISTANT MAGNETIC HEAD |
US4251841A (en) * | 1979-06-01 | 1981-02-17 | International Business Machines Corporation | Magnetic head slider assembly |
US4298899A (en) * | 1979-12-17 | 1981-11-03 | International Business Machines Corporation | Magnetic head assembly with ferrite core |
NL8200481A (en) * | 1982-02-09 | 1983-09-01 | Philips Nv | MAGNETIC HEAD. |
DE3267514D1 (en) * | 1982-03-25 | 1986-01-02 | Ibm Deutschland | Ceramic magnetic head slider |
DE3472484D1 (en) * | 1983-04-27 | 1988-08-04 | Eastman Kodak Co | Thin-film magnetic head with improved wear-guide |
HU188511B (en) * | 1983-11-11 | 1986-04-28 | Budapesti Radiotechnikai Gyar,Hu | Magnetic reading and/or writing head |
JPS63200312A (en) * | 1987-02-16 | 1988-08-18 | Pioneer Electronic Corp | Magnetic head |
US5136775A (en) * | 1989-01-19 | 1992-08-11 | Pioneer Electronic Corporation | Method of manufacturing a magnetic head having wear resisting films |
US6600631B1 (en) * | 1989-11-27 | 2003-07-29 | Censtor Corp. | Transducer/flexure/conductor structure for electromagnetic read/write system |
US5023738A (en) * | 1989-12-18 | 1991-06-11 | Seagate Technology, Inc. | Corrosion resistant magnetic recording read |
EP0590701B1 (en) * | 1992-08-03 | 1997-02-05 | Koninklijke Philips Electronics N.V. | Magnetic head having a wear-resistant layer, and method of manufacturing such a magnetic head |
DE4323115A1 (en) * | 1992-08-03 | 1994-02-10 | Philips Electronics Nv | Magnetic head with a layer essentially containing Cr¶2¶O¶3¶ and method for producing such a magnetic head |
US5684661A (en) * | 1995-04-13 | 1997-11-04 | Eastman Kodak Company | Magnetic head assembly and method for reading and/or writing data onto a thin magnetic layer placed on a photographic element |
US5905613A (en) * | 1997-07-18 | 1999-05-18 | International Business Machines Corporation | Bidirectional flat contour linear tape recording head and drive |
US6587305B2 (en) | 2001-03-28 | 2003-07-01 | Quantum Corporation | Tape head with transducer supports having raised, wear-resistant surfaces at edges of softer core |
US7193813B2 (en) * | 2002-09-26 | 2007-03-20 | International Business Machines Corporation | Angled flat-type recording head designed for near-constant resolution at varying type velocities |
US6937435B2 (en) * | 2003-05-16 | 2005-08-30 | Quantum Corporation | Tape head with thin support surface and method of manufacture |
US7248438B2 (en) * | 2003-12-15 | 2007-07-24 | International Business Machines Corporation | Compression zone recording head |
US7154691B2 (en) * | 2003-12-18 | 2006-12-26 | Quantum Corporation | Multi-format thinfilm head and associated methods |
US7271983B2 (en) * | 2004-09-16 | 2007-09-18 | Quantum Corporation | Magnetic head with mini-outriggers and method of manufacture |
US7256963B2 (en) * | 2004-09-16 | 2007-08-14 | Quantum Corporation | Magnetic head with adaptive data island and mini-outrigger and methods of manufacture |
US20070183091A1 (en) * | 2006-02-03 | 2007-08-09 | Saliba George A | Read/write head having varying wear regions and methods of manufacture |
-
1970
- 1970-06-17 US US47007A patent/US3665436A/en not_active Expired - Lifetime
-
1971
- 1971-04-28 CA CA111599A patent/CA938715A/en not_active Expired
- 1971-05-13 GB GB1485171*[A patent/GB1316199A/en not_active Expired
- 1971-06-14 DE DE19712129488 patent/DE2129488A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB1316199A (en) | 1973-05-09 |
DE2129488A1 (en) | 1971-12-23 |
US3665436A (en) | 1972-05-23 |
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